[hider=dicks][hider2=more dicks]even more dicks[/hider2][/hider]

[hider=1]okay, looks like[hider2=2]you need to put[hider3=3]the hiders on[hider4=4]one line, otherwise it doesn't work.[/hider4][/hider3][/hider2][/hider]

hm, that doesn't work. how bout this

[hider=butts]butts[hider2=butts]butts[/hider2]butts[hider2=butts]butts[/hider2][/hider]

[hider=booty]booty[hider2=butte]booties[hider3=bootay]buttt[/hider3][/hider2][/hider]

Two levels seem to be the maximum.